#include<stdio.h>
int main(){
	int i=0;
	char *s="hello world";
	char *s2="hello world";
//	s[0]=b;
	char s3[]="hello world";	
	printf("s2=%p\n",s2); 
	printf("s =%p\n",s);	
	printf("s3=%p\n",s3); 
	s3[0]='b';
	printf("&i=%p\n",&i);
	printf("s[0]=%c\n",s[0]);
	printf("s3[0]=%c\n",s3[0]);
	return 0;
} 
